70742412 has 72 divisors (see below), whose sum is σ = 195380640. Its totient is φ = 21450240.

The previous prime is 70742401. The next prime is 70742431. The reversal of 70742412 is 21424707.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32164 + ... + 34292.

It is an arithmetic number, because the mean of its divisors is an integer number (2713620).

Almost surely, 2^70742412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70742412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97690320).

70742412 is an abundant number, since it is smaller than the sum of its proper divisors (124638228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70742412 is a wasteful number, since it uses less digits than its factorization.

70742412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 2218 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 70742412 is about 8410.8508487548. The cubic root of 70742412 is about 413.5804052363.

The spelling of 70742412 in words is "seventy million, seven hundred forty-two thousand, four hundred twelve".